Graco Inc. Hydra-Clean 1040 - Manual (Page 6)

6
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STARTUP
Use this procedure whenever starting the pressure
washer to help insure that the unit is ready to operate and
starting is done safely.
1. Check the oil level.
Pump: Add SAE 20 or 30 weight non–detergent oil as
necessary.
2. Turn on the water supply.
CAUTION
Never run the unit dry . Costly damage to the
pump will result. Always be sure the water
supply is completely turned on before
operating.
3. Trigger the gun until water sprays from the tip
indicating that the air is purged from the system.
4. Start the unit.
5. ALWAYS engage the gun’ s trigger safety latch
whenever you stop spraying, even for a moment to
reduce the risk of fluid injection or splashing in the
eyes or on the skin if the gun is bumped or triggered
accidentally.
6. ALWAYS observe the following CAUTIONS to avoid
costly damage to the pressure washer.
CAUTION
DO NOT allow the pressure washer to idle for
more than 10 minutes. Doing so may cause the
recirculating water to overheat and seriously
damage the pump. T urn of f the pressure
washer if it will not be spraying or cleaning at
least every 10 minutes. If heated inlet water is
used, reduce this time further.
DO NOT run the pump dry , which will quickly
damage the pump. Be sure the water supply is
fully turned on before starting the pump.
DO NOT pump caustic materials; such
materials may corrode the pump components.
7. See the chemical injector or sandblaster kit manual
for detailed cleaning information if these accessories
are used.